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Commons IO example source code file (TeeInputStreamTest.java)
The Commons IO TeeInputStreamTest.java source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.io.input; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStream; import junit.framework.TestCase; /** * JUnit Test Case for {@link TeeInputStream}. */ public class TeeInputStreamTest extends TestCase { private final String ASCII = "US-ASCII"; private InputStream tee; private ByteArrayOutputStream output; @Override protected void setUp() throws Exception { InputStream input = new ByteArrayInputStream("abc".getBytes(ASCII)); output = new ByteArrayOutputStream(); tee = new TeeInputStream(input, output); } public void testReadNothing() throws Exception { assertEquals("", new String(output.toString(ASCII))); } public void testReadOneByte() throws Exception { assertEquals('a', tee.read()); assertEquals("a", new String(output.toString(ASCII))); } public void testReadEverything() throws Exception { assertEquals('a', tee.read()); assertEquals('b', tee.read()); assertEquals('c', tee.read()); assertEquals(-1, tee.read()); assertEquals("abc", new String(output.toString(ASCII))); } public void testReadToArray() throws Exception { byte[] buffer = new byte[8]; assertEquals(3, tee.read(buffer)); assertEquals('a', buffer[0]); assertEquals('b', buffer[1]); assertEquals('c', buffer[2]); assertEquals(-1, tee.read(buffer)); assertEquals("abc", new String(output.toString(ASCII))); } public void testReadToArrayWithOffset() throws Exception { byte[] buffer = new byte[8]; assertEquals(3, tee.read(buffer, 4, 4)); assertEquals('a', buffer[4]); assertEquals('b', buffer[5]); assertEquals('c', buffer[6]); assertEquals(-1, tee.read(buffer, 4, 4)); assertEquals("abc", new String(output.toString(ASCII))); } public void testSkip() throws Exception { assertEquals('a', tee.read()); assertEquals(1, tee.skip(1)); assertEquals('c', tee.read()); assertEquals(-1, tee.read()); assertEquals("ac", new String(output.toString(ASCII))); } public void testMarkReset() throws Exception { assertEquals('a', tee.read()); tee.mark(1); assertEquals('b', tee.read()); tee.reset(); assertEquals('b', tee.read()); assertEquals('c', tee.read()); assertEquals(-1, tee.read()); assertEquals("abbc", new String(output.toString(ASCII))); } } Other Commons IO examples (source code examples)Here is a short list of links related to this Commons IO TeeInputStreamTest.java source code file: |
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